[PATCH] D27734: [LoopUnroll] Enable PGO-based loop peeling by default

[Adam Nemet via Phabricator via llvm-commits]

anemet added a comment.

Hi Michael,

Is this is on with -Os + PGO or just O<n> + PGO?

Also I forgot the heuristics from the original patch, are we only peeling hot low-trip count loops or also cold ones?

Thanks,
Adam


https://reviews.llvm.org/D27734